diff options
Diffstat (limited to 'include/asm-cris/arch-v10/dma.h')
-rw-r--r-- | include/asm-cris/arch-v10/dma.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v10/dma.h b/include/asm-cris/arch-v10/dma.h new file mode 100644 index 00000000000..9e078b9bc93 --- /dev/null +++ b/include/asm-cris/arch-v10/dma.h @@ -0,0 +1,46 @@ +/* Defines for using and allocating dma channels. */ + +#ifndef _ASM_ARCH_DMA_H +#define _ASM_ARCH_DMA_H + +#define MAX_DMA_CHANNELS 10 + +/* dma0 and dma1 used for network (ethernet) */ +#define NETWORK_TX_DMA_NBR 0 +#define NETWORK_RX_DMA_NBR 1 + +/* dma2 and dma3 shared by par0, scsi0, ser2 and ata */ +#define PAR0_TX_DMA_NBR 2 +#define PAR0_RX_DMA_NBR 3 +#define SCSI0_TX_DMA_NBR 2 +#define SCSI0_RX_DMA_NBR 3 +#define SER2_TX_DMA_NBR 2 +#define SER2_RX_DMA_NBR 3 +#define ATA_TX_DMA_NBR 2 +#define ATA_RX_DMA_NBR 3 + +/* dma4 and dma5 shared by par1, scsi1, ser3 and extdma0 */ +#define PAR1_TX_DMA_NBR 4 +#define PAR1_RX_DMA_NBR 5 +#define SCSI1_TX_DMA_NBR 4 +#define SCSI1_RX_DMA_NBR 5 +#define SER3_TX_DMA_NBR 4 +#define SER3_RX_DMA_NBR 5 +#define EXTDMA0_TX_DMA_NBR 4 +#define EXTDMA0_RX_DMA_NBR 5 + +/* dma6 and dma7 shared by ser0, extdma1 and mem2mem */ +#define SER0_TX_DMA_NBR 6 +#define SER0_RX_DMA_NBR 7 +#define EXTDMA1_TX_DMA_NBR 6 +#define EXTDMA1_RX_DMA_NBR 7 +#define MEM2MEM_TX_DMA_NBR 6 +#define MEM2MEM_RX_DMA_NBR 7 + +/* dma8 and dma9 shared by ser1 and usb */ +#define SER1_TX_DMA_NBR 8 +#define SER1_RX_DMA_NBR 9 +#define USB_TX_DMA_NBR 8 +#define USB_RX_DMA_NBR 9 + +#endif |